i had this trident 3 year now but some how this year the new leaf did not bud out or grow out root it fine now mid spring some of branch star die back i did check a root it have white color root so that mean tree still hv hope other trident i have full leaf but not this one tree 25" and trunk 4 " if anyone know what a problem i live zone 7 a

hi joe thank you for refly the tree out side all the time last 3 years .last winter a roud march we hv 12; of snow next 3 day after snow the weather turn to mid 80 and then turn back to below 30 , the first thing i thought it maybe tree hv to much tress ?